DR. SAMUEL ISAAC FROST D.O.
NPI 1861704223
Radiology - Diagnostic Radiology in Wauwatosa, WI
About Dr. Samuel Isaac Frost D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAMUEL ISAAC FROST D.O. (NPI 1861704223) is an individual diagnostic radiology provider in Wauwatosa, Wisconsin, licensed in Wisconsin (56969) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and maintains a secondary practice location in Gurnee.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Samuel Isaac Frost D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Samuel Frost reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53209
- Reassigned Medicare billing, Wisconsin enrollment
- 1,615 clinicians in this Medicare group
West Allis, WI 53227
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Saint Francis, WI 53235
- Reassigned Medicare billing, Wisconsin enrollment
- 960 clinicians in this Medicare group
Gurnee, IL 60031
- Reassigned Medicare billing, Illinois enrollment
- 62 clinicians in this Medicare group
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 41
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aurora St Lukes Medical Center
Acute Care Hospitals · Milwaukee, WIWest Allis Memorial Hospital
Acute Care Hospitals · West Allis, WIAurora Medical Center Kenosha
Acute Care Hospitals · Kenosha, WIAurora Medical Center - Summit
Acute Care Hospitals · Summit, WIAurora Medical Center
Acute Care Hospitals · Grafton, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53222 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Samuel Frost's NPI number?
The NPI number for Samuel Frost is 1861704223. It was assigned to this individual provider in the NPPES registry on July 13, 2010.
Where is Samuel Frost located?
Samuel Frost practices at 4025 N 92nd St, Wauwatosa, WI 53222. The listed phone number is (608) 213-6295.
What is Samuel Frost's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Samuel Frost enrolled in Medicare?
Yes. Samuel Frost is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Samuel Frost's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Frost reassigns Medicare benefits to 5 organizations: Aurora Advanced Healthcare, Inc. (Milwaukee, WI), Aurora Medical Group, Inc. (West Allis, WI), Lakeshore Medical Clinic, LLC (Saint Francis, WI), Amg Illinois Ltd (Gurnee, IL) and Lutheran General Hospital (Park Ridge, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Samuel Frost's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Samuel Frost accept?
Health plans from CareSource (Common Ground Healthcare) list Samuel Frost as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Samuel Frost affiliated with any hospitals?
According to CMS data, Samuel Frost is affiliated with Aurora St Lukes Medical Center, West Allis Memorial Hospital, Aurora Medical Center Kenosha, Aurora Medical Center - Summit and Aurora Medical Center.
When was this NPI record last updated?
The NPPES record for Samuel Frost was last updated on October 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.